OpenTechnical

OT-2026-000018458

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000018458) never changes.

Identity and time

Publication numberOT-2026-000018458 · never reused
Internal UUID01a0ae6e-b48a-7cdf-8025-139aab05da9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018458
StatusPUBLIC

Content hashes

Canonical text43ce7777ca44d00fb2dab8f04add97d2998fc73426e67737d38096c0fe4252d8
Markdown410de86cfbf31d169c42f6ebb07f087db807058b9e50d15f6509ba4464b3ffd6
PDF
Publication page240244f461259256310fa7787533fd74417f47f05a54620dc7192fb181cdea87
Manifest7484574c6f276937112396b36bb5199be2947619ee5c311b2ce3ba4d184a69f7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureHz5Uwy6hxOo2Wx0TwyoIEBA8d0TvEY8CknxG9JH2K5D3lFwYUpwUy4Y0Jw4z3BKh+YY5QKLY0M+WZwrBfk1FAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:13.125561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018458
observed 240244f461259256310fa7787533fd74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.108049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018458/manifest.json
observed 7484574c6f276937112396b36bb5199b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.089001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018458/publication.md
observed 410de86cfbf31d169c42f6ebb07f087d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.069700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018458/publication.txt
observed 43ce7777ca44d00fb2dab8f04add97d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.